set term pdfcairo lw 2 font "SimSun"
set output "hot-chat-speedup.pdf"

set style histogram clustered gap 1
set style data histograms

set xlabel "齐夫分布参数" font ",25"
set ylabel "性能比" font ",25"
set yrange [0:2]
set ytics 0,0.328 ,1.638
set tics font ",18"

set key box
set key font ",15"
set key top left

#set bmargin 4



plot "hot-chat-speedup.dat" using 2:xtic(1) fill pattern 3 lc 7 title 'Skip-list',\
 '' u 3 fill pattern 4 lc 9 title 'partition-list' ,\
 '' u 4 fill pattern 2 lc 11 title 'hot-list',\
 '' u 5 fill pattern 1 lc 12 title 'mix-list'

set output
set term wxt
